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WO/2020/212779A1 |
An abrasive article comprises abrasive particles adhered to a substrate by a binder material. The binder material comprises an at least partially cured resole phenolic resin and an organic polymeric rheology modifier. The amount of the a...
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WO/2020/209965A1 |
Polishing articles and methods of manufacturing polishing articles used in polishing processes and cleaning processes are provided. More particularly, implementations disclosed herein relate to composite polishing articles having tunable...
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WO/2020/206382A1 |
An abrasive article includes a body and an electronic assembly coupled to the body, the electronic assembly including an electronic device, and a first portion between the body and the communication device, the first portion having a mat...
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WO/2020/164242A1 |
A blank leather strip and bristle co-body inserting machine. The machine comprises a first bristle supply mechanism (1), a second bristle supply mechanism (2), a bristle inserting mechanism (3) which is located between the first bristle ...
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WO/2020/165683A1 |
An abrasive article comprises abrasive particles secured to a substrate by at least one binder material. The at least one binder material comprises a cured reaction product of components comprising: a) at least one phenolic resin; and b)...
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WO/2020/165709A1 |
The disclosure relates to an abrasive article comprising: a fabric substrate comprising strands forming first void spaces between the strands; a laminate joined to the fabric substrate; a cured resin composition joined to the laminate op...
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WO/2020/136553A1 |
Object: To provide a grinding wheel and a method of manufacturing a grinding wheel having added value while providing a suppressed manufacturing cost. Solution Means: The grinding wheel is a grinding wheel including an abrasive portion i...
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WO/2020/128781A1 |
The present disclosure provides improved rail grinding tools. Precision-shaped grains (PSGs), such as PSGs manufactured by 3M® company, provide significant performance improvement in resin-bond and vitrified bond grinding wheels. The us...
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WO/2020/128779A2 |
The present disclosure provides systems and methods for making bonded abrasive articles. The bonded abrasive wheel may be formed using a continuous layer approach, such as a spiral building of abrasive articles. The spiraling building of...
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WO/2020/126091A1 |
The invention relates to a machining segment (41), which is composed of a first matrix material (44) and first hard material particles (45), the first hard material particles (45) being arranged in the first matrix material (44) accordin...
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WO/2020/128857A1 |
Abrasive articles and associated methods are shown that include abrasive particles arranged in a pattern on at least a portion of a backing substrate of the article. The pattern can include a plurality of longitudinal rows that repeat ac...
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WO/2020/128708A1 |
A coated abrasive article comprises a backing having first and second opposed major surfaces. A make layer is bonded to the first major surface. Agglomerate grinding aid particles are directly bonded to the make layer. At least a portion...
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WO/2020/128720A2 |
The present disclosure provides systems, devices, and methods for abrasive articles and manufacturing the same. A method can include receiving, at a shaped abrasive particle placement tool comprising cavities, shaped abrasive particles, ...
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WO/2020/128833A1 |
The disclosure relates to, among other things, a method of making a coated abrasive article, the method comprising sequentially: locating a plurality of shaped abrasive particles in a tool comprising a plurality of cavities, wherein the ...
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WO/2020/128716A1 |
Apparatus includes a production tooling having a dispensing surface with a plurality of cavities and formed into an endless belt. An abrasive particle feeder dispenses shaped abrasive particles onto the dispensing surface and into the pl...
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WO/2020/128842A1 |
Various embodiments of the present disclosure relate to a shaped abrasive particle transfer assembly. The shaped abrasive particle transfer assembly includes a substrate including an adhesive and a plurality of shaped abrasive particles ...
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WO/2020/128794A1 |
The present disclosure provides a shaped abrasive particle. The shaped abrasive particle includes a plurality of polygonal faces bound by respective polygonal perimeters and joined by at least one edge or sidewall to form the shaped abra...
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WO/2020/128852A1 |
Abrasive articles and associated methods are shown that include abrasive particles arranged in one or more symbols on a backing substrate. Examples include shaped abrasive particles arranged into one or more symbols. Other examples inclu...
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WO/2020/128780A1 |
According to various embodiment of the present disclosure, a bonded abrasive article precursor includes a curable composition. The curable composition includes a curative component. The curable composition further includes one or more re...
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WO/2020/128858A1 |
Abrasive articles and associated methods are shown that include one or more camouflaging layers that can be applied to a portion of the abrasive article. The one or more camouflaging layers can be applied over the size coat layer as a di...
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WO/2020/128838A1 |
Various embodiments disclosed relate to a tooling apparatus and method for providing multiple orientation cavities in tooling for abrasive particles in an abrasive article or structure. An example method includes aligning a plurality of ...
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WO/2020/128853A1 |
A system and method for producing an abrasive article includes a production tool configured to provide shaped abrasive particles to a resin coated backing. A first end and a second end of the production tool are spliced together to form ...
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WO/2020/128717A1 |
An abrasive article and method of forming abrasive articles are shown. Examples include first level patterns of abrasive particles, and second, higher level patterns of abrasive particles. Examples include gaps that may serve any of a nu...
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WO/2020/128719A1 |
Coated abrasive articles having spacer particles are formed by providing a production tool having a dispensing surface with a plurality of cavities, guiding the production tool past an abrasive particle feeder, dispensing shaped abrasive...
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WO/2020/128787A1 |
Various embodiments of the present disclosure provide a bonded abrasive article precursor (100). The bonded abrasive article precursor (100) includes an abrasive layer comprising a plurality of shaped abrasive particles (102) disposed on...
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WO/2020/128844A1 |
Abrasive articles and associated methods are shown that include abrasive particles arranged in one or more micro patterns and disruptions of the one or more micro patterns can be used to create a macro pattern on the abrasive article. In...
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WO/2020/128845A1 |
The present disclosure provides systems, devices, and methods for abrasive articles and manufacturing the same. A shaped abrasive particle placement tool can include a substrate including an abrasive particle receiving surface defining a...
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WO/2020/121127A1 |
The present disclosure relates to an abrasive article with a cork backing layer. In addition, the present disclosure relates to a method for producing abrasive articles comprising a cork backing layer.
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WO/2020/115640A1 |
The invention relates to an abrasive article comprising a carrier body as well as an abrasive layer, wherein the abrasive layer comprises agglomerates with superabrasive particles bound in a first vitrified bond (bond I) as well as a sec...
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WO/2020/105912A1 |
The present invention relates to a woven stacking-type grinding disc and a manufacturing method therefor, and to a woven stacking-type grinding disc comprising: a first grinding disc paper having dividing cut lines which equally divide a...
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WO/2020/099969A1 |
A coated abrasive belt includes an endless belt backing and an abrasive layer disposed thereon. The abrasive layer comprises abrasive elements secured to at least a portion of a major surface of the belt backing by at least one binder ma...
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WO/2020/084382A1 |
Abrasive articles are disclosed comprising at least one primary elongate abrasive element extending along an element axis. The primary elongate abrasive element comprises a plurality of formed abrasive particles, wherein at least 50% of ...
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WO/2020/078563A1 |
A grinding tool (1) has a main body (2) with at least one fiber ply (F1, F2) embedded in a binding agent (B). A grinding layer (3) is arranged on the main body (2). The at least one fiber ply (F1, F2) is arranged partially movably in the...
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WO/2020/064282A1 |
The invention relates to a method for polishing a semiconductor wafer in that at least one side of the semiconductor wafer is pressed against a polishing pad secured to a rotating polishing disc in the presence of a polishing agent. The ...
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WO/2020/044158A1 |
A bonded abrasive wheel is disclosed comprising a plurality of abrasive particles disposed in a binder, a first grinding surface, a second surface opposing the first grinding surface, and an outer circumference. The wheel comprises a rot...
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WO/2020/035764A1 |
A structured abrasive article comprises a backing having first and second opposed major surfaces and an abrasive layer securely bonded to the first major surface of the backing. The abrasive layer comprises shaped abrasive composites. Ea...
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WO/2020/026060A1 |
Abrasive articles comprising at least one layer of fibrous nonwoven fabric, woven fabrics and combinations thereof are disclosed. The fabrics or combinations of fabrics may have a hardened adherent coating. The adherent coating may compr...
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WO/2020/005261A1 |
Polycrystalline diamond cutters (400) have a substrate (402) and a diamond body (401) where the diamond body (401) includes bonded diamond particles and discernable diamondene fragments. The polycrystalline diamond cutter (400) is manufa...
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WO/2020/005257A1 |
Polycrystalline diamond cutters (500, 520, 540, 560) and methods of making thereof are described, the cutters including a substrate (502, 522, 542, 562), and a diamond body (501, 521, 541, 561), the diamond body including diamond particl...
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WO/2019/207417A1 |
A method of applying magnetizable particles onto an adherent web includes several steps. Step a) provides a magnetizable particle coating apparatus comprising a downward sloping dispensing surface at least partially disposed within an ap...
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WO/2019/207416A1 |
A method of making a coated abrasive article is disclosed. A backing has first and second opposed major surfaces. A make layer precursor is disposed on at least a portion of the first major surface. Magnetizable abrasive particles are di...
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WO/2019/207415A1 |
A method of making a coated abrasive article includes at least four steps. In step a), a web is provided comprising a backing having a make layer precursor disposed thereon. The web moves along a web path in a downweb direction, and the ...
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WO/2019/202059A1 |
The present invention relates to an abrasive disk and to a method and a device for producing said abrasive disk. The abrasive disk is more particularly a cutting or grinding disk for use on a hand-held power tool, the abrasive disk compr...
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WO/2019/174581A1 |
A polishing device, comprising a plurality of elastic sheet gears (2), a substrate (1) having an annular structure, and a pressing plate (3). The plurality of elastic sheet gears (2) are sequentially spliced and stacked to form an annula...
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WO/2019/174580A1 |
An abrasive tool and a fabrication method therefor, comprising: a plurality of thin teeth (2), the plurality of thin teeth (2) being stacked in sequence to form a circular structure, wherein two adjacent thin teeth (2) are fixedly connec...
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WO/2019/151584A1 |
The present invention provides a polishing pad for a wafer polishing apparatus, comprising: an upper pad having a front surface part, which has a cut surface and is in contact with a wafer, a rear surface part positioned on the lower par...
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WO/2019/132797A1 |
The invention relates to an abrasive disc product obtained from casting sand known as conventional casting mold which has become a solid waste and not have a mold property anymore with completing the use function after casting process.
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WO/2019/133452A1 |
An abrasive tool having a bonded abrasive including a body having abrasive particles contained within a bond material and a barrier layer overlying a portion of the body and configured for removal by hand prior to use.
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WO/2019/111212A1 |
An abrasive article comprising an attachment layer and an abrasive layer. The attachment layer comprises a porous backing having a first major surface, an opposed second major surface, and a first plurality of voids extending from the fi...
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WO/2019/111210A1 |
A bonded abrasive article comprises a bonded abrasive matrix. The bonded abrasive matrix comprises, based on the total weight of the bonded abrasive matrix: 10 to 30 weight percent of phenolic binder; abrasive particles retained in the p...
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